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Finding the Fourth Proportional to 504,489.44, 696,200.10 and 278,143.04

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Solution

The fourth proportional to 504,489.44, 696,200.10 and 278,143.04 is: 383,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,489.44 : 696,200.10 = 278,143.04 : x
  2. Step 2: Convert to fraction form
    504,489.44/696,200.10 = 278,143.04/x
  3. Step 3: Cross multiply
    504,489.44x = 696,200.10 × 278,143.04
  4. Step 4: Simplify right side
    504,489.44x = 193,643,212,262.30
  5. Step 5: Solve for x
    x = 193,643,212,262.30/504,489.44
  6. Step 6: Final answer
    x = 383,839.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.